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135217 (2001 RH88)
Classification: Main-belt Asteroid          SPK-ID: 2135217
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087767542541929 7.1575e-08  
a 3.067211830818511 2.5365e-08 au
q 2.733570483252013 2.2668e-07 au
i 10.4129263703764 7.8166e-06 deg
node 19.25414867315202 2.6401e-05 deg
peri 342.7591399155254 3.3969e-05 deg
M 243.7993921311893 2.3333e-05 deg
tp 2460029.815302904802
(2023-Mar-26.31530290)
0.00013073 TDB
period 1962.068127071511
5.37
2.4339e-05
6.664e-08
d
yr
n .1834798675096561 2.276e-09 deg/d
Q 3.40085317838501 2.8124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1999-04-07  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:15:13  

Additional Information
 Earth MOID = 1.73275 au 
 Jupiter MOID = 2.06333 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457144.5 (2015-May-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069665394461604 7.1493e-08  
q 2.740829171230986 2.2612e-07 au
tp 2458068.872957045871
(2017-Nov-11.37295705)
0.00012318 TDB
node 19.28027759510059 2.6407e-05 deg
peri 343.1191990547324 3.4217e-05 deg
i 10.40955255734694 7.8135e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1999-04-07  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:15:13  

Additional Information
 Jupiter MOID = 2.06333 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.111286718036691E-15 -1.609109782394486E-14 1.089563594341078E-13 1.064978505681972E-14 4.51820572750635E-14 -6.382605740497783E-17
q -1.609109782394486E-14 5.113063100888599E-14 5.056511066008186E-13 -3.247517679080792E-14 -3.964415079833195E-14 3.680920461471689E-15
tp 1.089563594341078E-13 5.056511066008186E-13 1.517252011671362E-8 2.238496623910427E-12 2.687762660845438E-9 -3.231587640681859E-12
node 1.064978505681972E-14 -3.247517679080792E-14 2.238496623910427E-12 6.973119118757547E-10 -6.846911126386427E-10 -4.844746888105623E-11
peri 4.51820572750635E-14 -3.964415079833195E-14 2.687762660845438E-9 -6.846911126386427E-10 1.170821759264728E-9 4.691994415397847E-11
i -6.382605740497783E-17 3.680920461471689E-15 -3.231587640681859E-12 -4.844746888105623E-11 4.691994415397847E-11 6.105012220533564E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.01   n/a E2021B55  
diameter diameter 4.477 km 1.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135217 (2001 RH88)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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